The leader of the frost giant expedition to the Frost Spire, Jarl Grugnurson is now quite mad, having been contacted psychically by Suulkar, buried beneath the ice.

At least he was. He was slain by the Shields of the Sorrowfell, and his ritual to revive Suulkar was interrupted.

Image retrieved from http://theofficialbestiary.wikia.com/wiki/File:IceGiantProfileBR.jpg on December 15, 2016.